<template>
    <div class="item-box">
        <h3>子组件标签</h3>
        <span>子组件标签内容</span>
    </div>
        
    
</template>
<style scoped>
    .item-box{
        border: 1px solid black;
        margin-bottom: 10px;
    }
    h3{
        color: black;
    }
</style>